16-letter words containing p, o, r
- police inspector — rank of police officer in the UK
- polyacrylic acid — a polymer of acrylic acid used as a sizing agent in the manufacture of nylon and other synthetic textiles.
- polyhedral angle — a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration.
- polyphonic prose — prose characterized by the use of poetic devices, as alliteration, assonance, rhyme, etc., and especially by an emphasis on rhythm not strictly metered.
- polyvinyl formal — a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
- ponderosa (pine) — a yellow pine (Pinus ponderosa) of W North America, valued for its timber
- poor boy sweater — a snug-fitting, pullover sweater with ribbing on both the body and sleeves, worn by girls and women.
- poor white trash — white trash.
- porcelain enamel — a glass coating, made to adhere to a metal or another enamel by fusion.
- pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
- port authorities — the body with overall responsibility for a port
- port phillip bay — a bay in SE Australia: the harbor of Melbourne. 31 miles (50 km) long; 25 miles (40 km) wide.
- portable airtime — (communications, wireless) A wireless, digital communications system enabling user-to-user voice communication, "quicknotes", and alphanumeric messaging.
- portal-to-portal — noting or pertaining to the time a worker spends from entering the workplace to stepping outside, especially in relation to pay.
- portfolio worker — a person in portfolio employment
- portmanteau word — a case or bag to carry clothing in while traveling, especially a leather trunk or suitcase that opens into two halves.
- portrait gallery — a gallery where pictures are displayed
- portrait painter — artist: paints likenesses
- portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
- portuguese timor — former (1914-75) Portuguese territory in the Malay Archipelago
- posigrade rocket — an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.
- possession order — (in Britain) a court order that entitles a landlord legally to evict a tenant or squatter and regain possession of the property
- post-reformation — the act of reforming; state of being reformed.
- post-renaissance — the activity, spirit, or time of the great revival of art, literature, and learning in Europe beginning in the 14th century and extending to the 17th century, marking the transition from the medieval to the modern world.
- post-romanticism — romantic spirit or tendency.
- postcode lottery — a situation in which the standard of medical care, education, etc, received by the public varies from area to area, depending on the funding policies of various health boards, local authorities, etc
- postremogeniture — a system of inheritance under which the estate of a deceased person goes to his youngest son. Also called ultimogeniture. Compare primogeniture (def 2).
- postscript point — (unit, text) The variant of the point used by Postscript, equal to 0.3527777778 mm, or 1/72 inch.
- potato tuberworm — the larva of the potato moth.
- potential energy — the energy of a body or a system with respect to the position of the body or the arrangement of the particles of the system.
- pourriture noble — noble rot.
- poverty-stricken — suffering from poverty; extremely poor: poverty-stricken refugees.
- powerfully built — (of a person, esp a man) big and physically strong, with large muscles
- powerpc platform — (architecture, standard) (PPCP, PReP - PowerPC Reference Platform, formerly CHRP - Common Hardware Reference Platform) An open system standard, designed by IBM, intended to ensure compatibility among PowerPC-based systems built by different companies. The PReP standard specifies the PCI bus, but will also support ISA, MicroChannel and PCMCIA. PReP-compliant systems will be able to run the Macintosh OS, OS/2, WorkplaceOS, AIX, Solaris, Taligent and Windows NT. IBM systems will (of course) be PReP-compliant. Apple's first PowerPC Macintoshes will not be compliant, but future ones may be.
- poynting theorem — the theorem that the rate of flow of electromagnetic energy through unit area is equal to the Poynting vector, i.e. the cross product of the electric and magnetic field intensities
- practical reason — (in Kantian ethics) reason applied to the problem of action and choice, especially in ethical matters.
- practice session — a period of training that takes place over a set period of time, for example an hour or several hours
- praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
- pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
- prairie schooner — a type of covered wagon, similar to but smaller than the Conestoga wagon, used by pioneers in crossing the prairies and plains of North America.
- pre-conversation — informal interchange of thoughts, information, etc., by spoken words; oral communication between persons; talk; colloquy.
- pre-emancipation — the act of emancipating.
- pre-registration — the act of registering.
- pre-solicitation — the act of soliciting.
- pre-subscription — a sum of money given or pledged as a contribution, payment, investment, etc.
- precast concrete — ready-formed cement mixture
- precinct station — a police station for police responsible for a district of a city
- preconcentration — the act of concentrating; the state of being concentrated.
- precontemplation — the act of contemplating; thoughtful observation.
- predetermination — to settle or decide in advance: He had predetermined his answer to the offer.